Tonguez said:Ghouls are intelligent and can take class levels
Use a Ghoul Necromancer Wizard as the BBEG and ou may even convince the Players that they are facing a lich
Heh, I didn't know that! I'm working on an undead-heavy adventure for a similar party range as the OP and this might just do the trick. I was thinking about using the huecuva template (from the fiend folio) on a cleric, but this could be much more fun!